1. Aluminum: Aluminum trays are lightweight, corrosion-resistant, and ideal for rooftop solar installations where minimizing load is critical. They provide good mechanical strength and are easy to handle and install, making them suitable for both small and large PV systems . 2. Galvanized Steel: Traditional hot-dip galvanized steel trays are widely used due to their strength and cost-effectiveness. They are coated with zinc to resist corrosion, but in harsh environments, their lifespan may be shorter compared to advanced alloys . 3. Zinc-Aluminum-Magnesium (ZAM) Alloy Steel: ZAM trays are made from steel sheets coated with an alloy containing 5–11% aluminum, 2–3% magnesium, and trace silicon. This coating provides superior corrosion resistance, self-healing properties at scratches or cut edges, high strength, and reduced weight. ZAM trays can last 2–5 times longer than traditional galvanized trays, making them ideal for long-term PV installations with a design life exceeding 25 years . 4. Fiber-Reinforced Plastic (FRP): FRP trays are used in environments with high humidity, salt exposure, or continuous water contact. They are lightweight, corrosion-resistant, and electrically non-conductive, which is advantageous for sensitive installations or coastal solar farms .
In addition, ZAM materials also feature high strength and light weight. It can ensure the load-bearing capacity while
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Get Price Aluminium, steel, or plastic? Compare key features of electrical cable tray materials to find perfect match for your
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